Finding the Fourth Proportional to 9,880.16, 13,634.04 and 5,793.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,880.16 : 13,634.04 = 5,793.20 : x
2. Step 2: Convert to fraction form
   9,880.16/13,634.04 = 5,793.20/x
3. Step 3: Cross multiply
   9,880.16x = 13,634.04 × 5,793.20
4. Step 4: Simplify right side
   9,880.16x = 78,984,720.53
5. Step 5: Solve for x
   x = 78,984,720.53/9,880.16
6. Step 6: Final answer
   x = 7,994.28